\begin{figure}[htb]
	\centering
	
	\begin{pdfpic}
		\usefont{T1}{ptm}{m}{n}
		\rput(9.100586,0.14582032){$v_j$}
		\usefont{T1}{ptm}{m}{n}
		\rput(4.9911327,0.2858203){$v_i$}
		\usefont{T1}{ptm}{m}{n}
		\rput(6.448467,0.42582032){$e_{ij}$}
		\usefont{T1}{ptm}{m}{n}
		\rput(6.8691015,4.3858204){$v_0$}
		\usefont{T1}{ptm}{m}{n}
		\rput(1.3935449,3.8258202){$v_1$}
		\usefont{T1}{ptm}{m}{n}
		\rput(0.16804688,-0.81417966){$v_2$}
		\usefont{T1}{ptm}{m}{n}
		\rput(2.400576,-4.41418){$v_3$}
		\usefont{T1}{ptm}{m}{n}
		\rput(6.5692773,-4.37418){$v_4$}
		\psline[linewidth=0.04](1.6170117,3.4808204)(6.797012,4.06082)(8.697012,0.2808203)(6.797012,-3.8991797)(2.4370117,-3.7791796)(0.6970117,-0.7991797)(1.6370118,3.4608202)
		\psline[linewidth=0.04](1.6170117,3.4808204)(4.357012,0.0)(0.6970117,-0.7991797)
		\psline[linewidth=0.04](2.4370117,-3.7791796)(4.357012,0.0)(6.777012,-3.8791797)
		\psline[linewidth=0.04](8.697012,0.2808203)(4.357012,0.0)(6.797012,4.06082)
	\end{pdfpic} 
	\caption[Mesh Example]{Example: $v_i$ and $v_j$ are vertices in mesh $M$ connected through edge $e_{ij}$. And $v_i$'s neighbor vertices set $N_{v_i}$ = \{$v_0$, $v_1$, $v_2$, $v_3$, $v_4$, $v_j$\}}
	\label{fig:DefMesh}

\end{figure}